refactor(preg): wrap the preg_* $matches maps in newtypes

The five IndexMap shapes that the preg_* functions and Preg fill in are
now distinct types generated by preg_match_map!, so a matches map no
longer interchanges with any other map of the same key and value type.

Index<usize> is kept alongside Index<&Q> because call sites such as
config_command and event_dispatcher reach for a group by its position in
the map rather than by its capture key.

1 files changed, 2 insertions, 2 deletions

diff --git a/crates/shirabe-symfony-console/src/input/string_input.rs b/crates/shirabe-symfony-console/src/input/string_input.rs
index d6794957..245b948d 100644
--- a/crates/shirabe-symfony-console/src/input/string_input.rs
+++ b/crates/shirabe-symfony-console/src/input/string_input.rs
@@ -6,7 +6,7 @@ use crate::input::InputDefinition;
 use crate::input::InputInterface;
 use crate::input::StreamableInputInterface;
 use indexmap::IndexMap;
-use shirabe_php_shim::{CaptureKey, PhpMixed, php_regex, preg_match2};
+use shirabe_php_shim::{CaptureKey, PhpMixed, PregMatches, php_regex, preg_match2};
 
 /// StringInput represents an input provided as a string.
 ///
@@ -57,7 +57,7 @@ impl StringInput {
                 continue;
             }
 
-            let mut m: IndexMap<CaptureKey, Option<String>> = IndexMap::new();
+            let mut m = PregMatches::new();
             if preg_match2(php_regex!(r"/\s+/A"), input, &mut m, cursor as usize) {
                 if token.is_some() {
                     tokens.push(token.take().unwrap());